64787745

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{1279}}^1$

素因数の和:1605

約数の個数: 32

約数和(自身を含む): 113541120

約数和(自身を除く): 48753375

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 307, 921, 1279, 1535, 3377, 3837, 4605, 6395, 10131, 14069, 16885, 19185, 42207, 50655, 70345, 211035, 392653, 1177959, 1963265, 4319183, 5889795, 12957549, 21595915, 64787745]

約数ペア:

[(1, 64787745), (3, 21595915), (5, 12957549), (11, 5889795), (15, 4319183), (33, 1963265), (55, 1177959), (165, 392653), (307, 211035), (921, 70345), (1279, 50655), (1535, 42207), (3377, 19185), (3837, 16885), (4605, 14069), (6395, 10131)]